3M Fire Barrier Sealant CP 25WB+ - 20 Fluid Ounce Sausage

3M Fire Barrier CP-25WB+ sealant is a high-performance, ready-to-use, gun-grade, latex-based, intumescent sealant that dries to form a monolithic fire-stop seal in which also acts as a barrier to airborne sound transmission. 3M Fire Barrier CP-25WB+ sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire when installed in accordance with a listed through penetration or fire-resistive joint assembly system. 3M Fire Barrier CP-25WB+ sealant fire-stops blank openings and penetrations passing through fire-rated floor, floor/ceiling or wall assemblies and other fire-rated interior building construction. The unique intumescent property of this material allows 3M Fire Barrier CP-25WB+ sealant to expand and help maintain a fire-stop penetration seal for up to 4 hours as penetrants are exposed to fire. 3M Fire Barrier Sealant CP 25WB+ exhibits excellent adhesion to a full range of construction substrates and penetrants and no mixing is required. 3M Fire Barrier CP-25WB+ is a one component, ready-to-use, gun-grade, latex-based, intumescent fire-stop sealant capable of expanding a minimum of three times its dried volume when exposed to temperatures above 1000°F . The material shall be thixotropic and shall be applicable to overhead, vertical and horizontal fire-stops.